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Specification
Brand : Reland Sun
BulletPoint : Reland Sun
ConnectivityTechnology : I2C
ExternallyAssignedProductIdentifier1 : 0649383108844
ExternallyAssignedProductIdentifier2 : 649383108844
ItemName : NE555 + CD4017 Practice Learing Kits LED Flashing Lights Module Electronic Suite LSD-10 3-4.5V DIY for Arduino
ItemPackageQuantity : 1
ItemTypeKeyword : instrumentation-amplifiers
Manufacturer : Reland Sun
Material : Copper
ModelNumber : NE555
NumberOfItems : 1
PartNumber : 649383108844
ProductDescription :

Kit Model: LSD-10

Supply Voltage :3 - 4 .5 V

PCB size: 88 * 25mm

PCB thickness: 1.0mm

Circuit:
The kit mainly by the clock generation circuit and decimal counter circuit constitute
By NE555 core self-excited multivibrator power through R2, R1, VR1 to charge the capacitor C2, when C2 just start charging, U1's pin 2 is low, so the output end of the 3 foot was high power by R2, R1, VR1 C2 charges to 2/3 of the supply voltage, the output level of 3 feet from high to low, U1 internal discharge tube is turned on, capacitor C2 via VR1, R1, U1 pin 7 discharge , less than 1/3 of the supply voltage until the voltage across C2, U1's level of 3 feet from the low to high level. C1 again charging, so the cycle formed oscillation. The charging time is: 0.695 (R2 + R1 + VR1) C2 discharge time: 0.695 (VR1 + R1) C2, regulator VR1 can be controlled oscillator output frequency, U1 clock oscillation signal constantly applied to the U2 to pin 14, U2's 10 output terminal 10 is connected with LED, when U2's 10 output terminal to produce a high level in the clock signal under the action of rotation, D1 - D10 are sequentially lit, thereby forming a flowing light effect.
Adjust VR1 to adjust the flow rate of the LED lights.
Package Including:

1set x NE555 + CD4017 Practice Learing Kits LED Flashing Lights Module Electronic Suite LSD-10 3-4.5V DIY For Arduino

ProductSiteLaunchDate : 2019-07-02T07:03:25.202Z